2008 Audi A3 vs. 2009 Infiniti M
To start off, 2009 Infiniti M is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Audi A3. In addition, the cost of maintenance, including insurance, on 2008 Audi A3 would be higher. At 4,493 cc (8 cylinders), 2009 Infiniti M is equipped with a bigger engine. In terms of performance, 2009 Infiniti M (325 HP @ 6400 RPM) has 187 more horse power than 2008 Audi A3. (138 HP @ 4000 RPM) In normal driving conditions, 2009 Infiniti M should accelerate faster than 2008 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2009 Infiniti M weights approximately 214 kg more than 2008 Audi A3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2009 Infiniti M (456 Nm @ 4000 RPM) has 136 more torque (in Nm) than 2008 Audi A3. (320 Nm @ 1750 RPM). This means 2009 Infiniti M will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A3.
Compare all specifications:
| 2008 Audi A3 | 2009 Infiniti M | |
| Make | Audi | Infiniti |
| Model | A3 | M |
| Year Released | 2008 | 2009 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 4493 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 325 HP |
| Engine RPM | 4000 RPM | 6400 RPM |
| Torque | 320 Nm | 456 Nm |
| Torque RPM | 1750 RPM | 4000 RPM |
| Engine Compression Ratio | 18.0:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1505 kg | 1719 kg |
| Vehicle Length | 4220 mm | 4940 mm |
| Vehicle Width | 1770 mm | 1810 mm |
| Vehicle Height | 1430 mm | 1530 mm |
| Wheelbase Size | 2580 mm | 2910 mm |
| Fuel Consumption Overall | 5.8 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 60 L | 76 L |
